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Table 1 Characteristicsa of the participants stratified by psychological distress levelsb from the Swiss Health Survey [50]

From: Associations between fruit and vegetable consumption and psychological distress: results from a population-based study

Distress level   low moderate high
n, unweighted   16,552 2721 947
Age (years), mean (SD)   47.0 (0.18) 46.8 (0.50) 46.6 (0.67)
   % % %
Total   82.0 13.4 4.6
Age (years) 15–24 13.8 13.2 8.9
  25–34 15.6 17.1 16.4
  35–44 16.7 17.1 20.1
  45–54 19.2 18.4 24.4
  55–64 13.8 14.7 15.2
  65–74 11.9 9.1 9.1
  75+ 9.0 10.3 5.9
Nationality Swiss 80.3 73.4 68.2
  Foreigner 19.7 26.6 31.8
Marital status Single 32.6 32.3 29.6
  Married 51.6 48.2 46.3
  Divorced/separated/widowed 15.8 19.5 24.1
Educational level Low 14.7 21.0 27.7
  Middle 54.2 54.8 54.8
  High 31.2 24.2 17.4
BMI kg/m2 <18.5 3.4 4.0 5.3
  ≥18.5 - < 25.0 56.3 54.9 50.4
  ≥25.0 - < 30.0 30.7 30.6 29.8
  ≥30 9.6 10.5 14.4
Smoking history Never 51.2 45.4 39.6
  Former smoker 22.0 21.5 17.1
  Current smoker 26.8 33.1 43.4
Moderate physical activity <150 min. per week 24.5 36.0 45.1
  ≥150 min. per week 75.5 64.0 54.9
Alcohol consumptionc Hazardous chronic consumption 4.7 6.0 4.2
  Lower consumption or none 95.3 94.0 95.8
Chronic diseasesd No 73.1 69.2 67.3
  Yes 26.9 30.8 32.7
Pay attention to diet Yes 68.7 68.6 71.4
  No 31.3 31.4 28.6
Milk and/or dairy products <3 portions daily 90.3 91.8 90.0
  ≥3 portions daily 9.7 8.2 10.0
Fish Never/less than one day per week 34.9 34.1 35.1
  More 65.1 65.9 64.9
Meat ≥4 times weekly 39.1 34.1 33.2
  <4 times weekly 60.9 65.9 66.8
  1. aValues are self-reported and weighted except n
  2. bLow distress (MHI-5 > 72 & ≤ 100), moderate distress (MHI-5 > 52 and ≤ 72), and high distress (MHI-5 ≤ 52)
  3. c≤ 20 g ethanol daily for women, and ≤ 40 g ethanol daily for men
  4. dHypertension and diabetes